This document provides an introduction to e-commerce, including definitions, types, and frameworks. It defines commerce and e-commerce, discusses different definitions of e-commerce, and outlines the scopes and benefits. It also describes types of e-commerce like B2C, B2B, C2C, and frameworks like Kalakota and Whinston's four building blocks and two supporting pillars. Overall, the document serves as a comprehensive overview of the key concepts and models relating to e-commerce.